{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Chapter 29 : Transistor Amplifiers"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_1 Page No.  940"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Ac Resistance with R=10 kOhms = 26.88 Ohms\n",
      "The Ac Resistance with R=5 kOhms = 13.44 Ohms\n",
      "The Ac Resistance with R=1 kOhms = 2.69 Ohms\n",
      "Approx 2.69 Ohms\n"
     ]
    }
   ],
   "source": [
    "# For the diode circuit, calculate the ac resistance, rac, for the following values of R: (a) 10 kOhms, (b) 5 kOhms, and (c) 1 kOhms. Use the second approximation of a diode.\n",
    "\n",
    "# Given data\n",
    "\n",
    "R1 = 10.*10**3#     # Resistance 1=10 kOhms\n",
    "R2 = 5.*10**3#      # Resistance 2=5 kOhms\n",
    "R3 = 1.*10**3#      # Resistance 3=1 kOhms\n",
    "Vdc = 10.#         # DC supply=10 Volts\n",
    "V = 0.7#          # Starting voltage of diode=0.7 Volts\n",
    "A = 25.*10**-3#     # Constant\n",
    "\n",
    "# For R=10 kOhms\n",
    "\n",
    "Id1 = (Vdc-V)/R1#\n",
    "\n",
    "rac1 = A/Id1#\n",
    "print 'The Ac Resistance with R=10 kOhms = %0.2f Ohms'%rac1\n",
    "\n",
    "# For R=5 kOhms\n",
    "\n",
    "Id2 = (Vdc-V)/R2#\n",
    "\n",
    "rac2 = A/Id2#\n",
    "print 'The Ac Resistance with R=5 kOhms = %0.2f Ohms'%rac2\n",
    "\n",
    "# For R=1 kOhms\n",
    "\n",
    "Id3 = (Vdc-V)/R3#\n",
    "\n",
    "rac3 = A/Id3#\n",
    "print 'The Ac Resistance with R=1 kOhms = %0.2f Ohms'%rac3\n",
    "print 'Approx 2.69 Ohms'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_2 Page No. 941"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Voltage Gain Av =200.00\n"
     ]
    }
   ],
   "source": [
    "#A common-emitter amplifier circuit has an input of 25 mVp-p and an output of 5 Vp-p. Calculate Av.\n",
    "\n",
    "# Given data\n",
    "\n",
    "Vin = 25*10**-3#     # Input voltage=25 mVolts(p-p)\n",
    "Vo = 5#             # Output voltage=5 Volts(p-p).\n",
    "\n",
    "Av = Vo/Vin#\n",
    "print 'The Voltage Gain Av =%0.2f'%Av"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_3 Page No.  942"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Output Voltage = 1.50 Volts(p-p)\n"
     ]
    }
   ],
   "source": [
    "# assume Av still equals 300. If vin is\u0003 5 mVp-p, calculate Vout.\n",
    "\n",
    "# Given data\n",
    "\n",
    "Vin = 5*10**-3#     # Input voltage=5 mVolts(p-p)\n",
    "Av = 300#          # Voltage gain=300\n",
    "\n",
    "Vo = Av*Vin#\n",
    "print 'The Output Voltage = %.2f Volts(p-p)'%Vo"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_4 Page No.  948"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Voltage Gain Av =89.96\n",
      "Approx 90\n"
     ]
    }
   ],
   "source": [
    "# Assume that re varies from 3.33 Ohms to 6.67 Ohms as the temperature of the transistor changes. Calculate the variation in the voltage gain, Av.\n",
    "\n",
    "# Given data\n",
    "\n",
    "rl = 600#       # Load resistance=600 Ohms\n",
    "re = 6.67#      # Internal emitter resistance=6.67 Ohms\n",
    "\n",
    "Av = rl/re#\n",
    "print 'The Voltage Gain Av =%0.2f'%Av\n",
    "print 'Approx 90'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_5 Page No.  949"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Voltage Gain Av(max) when r`e=3.33 Ohms: 9.47\n",
      "The Voltage Gain Av(min) when r`e=6.67 Ohms: 9.00\n"
     ]
    }
   ],
   "source": [
    "# Assume that r'e varies from 3.33 Ohms\u0003 to 6.67 Ohms. Calculate the minimum and maximum values for Av.\n",
    "\n",
    "# Given data\n",
    "\n",
    "rl = 600.#     # Load resistance=600 Ohms\n",
    "re1 = 3.33#   # Internal emitter resistance=3.33 Ohms\n",
    "re2 = 6.67#   # Internal emitter resistance=6.67 Ohms\n",
    "rE = 60.#      # Emitter resistance=60 Ohms\n",
    "\n",
    "Av1 = rl/(re1+rE)#\n",
    "print \"The Voltage Gain Av(max) when r`e=3.33 Ohms: %0.2f\"%Av1\n",
    "\n",
    "Av2 = rl/(re2+rE)#\n",
    "print 'The Voltage Gain Av(min) when r`e=6.67 Ohms: %0.2f'%Av2"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_6 Page No.  950"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Voltage Gain Av =0.996\n",
      "i.e 996 mVolts(p-p)\n",
      "The Output Voltage = 0.700 Volts(p-p)\n"
     ]
    }
   ],
   "source": [
    "# Find the exact value of Av. Also, find  Vout.\n",
    "\n",
    "# Given data\n",
    "\n",
    "rl = 909.#       # Load resistance=909 Ohms\n",
    "re = 3.35#      # Internal emitter resistance=3.35 Ohms\n",
    "Vin = 1.#        # Input voltage=1 Volts(p-p)\n",
    "\n",
    "Av = rl/(re+rl)#\n",
    "print 'The Voltage Gain Av =%0.3f'%Av\n",
    "print 'i.e 996 mVolts(p-p)'\n",
    "Vo = Av*Vin#\n",
    "print 'The Output Voltage = %0.3f Volts(p-p)'%V\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_7 Page No.  951"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Input impedence = 2485.72 Ohms\n",
      "i.e 2.48 kOhms\n"
     ]
    }
   ],
   "source": [
    "# Calculate Zin.\n",
    "\n",
    "# Given data\n",
    "\n",
    "rl = 909.#           # Load resistance=909 Ohms\n",
    "re = 3.35#          # Internal emitter resistance=3.35 Ohms\n",
    "B = 100.#            # Beta=100\n",
    "R1 = 4.7*10**3#      # Resistance1=4.7 kOhms\n",
    "R2 = 5.6*10**3#      # Resistance2=5.6 kOhms\n",
    "\n",
    "Zibase = B*(re+rl)#\n",
    "A = (R1*R2)/(R1+R2)#\n",
    "\n",
    "Zin = (Zibase*A)/(A+Zibase)#\n",
    "print 'The Input impedence = %0.2f Ohms'%Zin\n",
    "print 'i.e 2.48 kOhms'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_8 Page No.  952"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Base Voltage = 9.00 Volts\n",
      "The Emitter Voltage = 8.30 Volts\n",
      "The Collector current = 0.01 Amps\n",
      "i.e 5.53 mAmps\n",
      "The Collector Voltage = 20.00 Volts\n",
      "The Collector-Emmiter Voltage = 11.70 Volts\n",
      "The AC emmiter resistance = 4.52 Ohms\n",
      "Approx 4.52 Ohms\n",
      "The Voltage gain =0.99\n",
      "The Input Base Impedence = 120903.61 Ohms\n",
      "i.e 120.9 kOhms\n",
      "The Input Impedence = 9150.71 Ohms\n",
      "i.e 9.15 kOhms\n",
      "The AC base voltage = 4.69 Volts(p-p)\n",
      "The AC output voltage = 4.66 Volts(p-p)\n",
      "Q(11.700000,0.005533)\n",
      "\n"
     ]
    },
    {
     "data": {
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AwMoSSL7o1y9cr6RVqzAc+K9/1XBgESksOZ9saGb9gDFAY+Aedx9hZmcBuPsd0T4VI7i+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\nQUREqlawy56IiEjuFdyM9XQ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      "text/plain": [
       "<matplotlib.figure.Figure at 0x7fb8844408d0>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "%matplotlib inline\n",
    "from matplotlib.pyplot import plot,xlabel,title,ylabel,show\n",
    "# Calculate the following quantities: Vb, Ve, Ic, Vc, Vce, r'e, Zin(base), Zin, Av, vb, and vout. Also, plot the dc load line.\n",
    "\n",
    "# Given data\n",
    "\n",
    "R1 = 22.*10**3#   # Resistance1=22 kOhms\n",
    "R2 = 18.*10**3#   # Resistance2=18 kOhms\n",
    "Rg = 600.#       # Generator resistance=600 Ohms\n",
    "Re = 1.5*10**3#  # Emitter resistance=1.5 kOhms\n",
    "Rl = 1.*10**3#    # Load resistance=1 kOhms\n",
    "Vcc = 20.#       # Supply Voltage=20 Volts\n",
    "Vbe = 0.7#      # Voltage Base-Emitter=0.7 Volts\n",
    "B = 200.#        # Beta=200\n",
    "vin = 5.#        # Input Voltage=5 Volts(p-p)\n",
    "\n",
    "# Calculate the DC quantities first:\n",
    "\n",
    "Vb = Vcc*(R2/(R1+R2))#\n",
    "print 'The Base Voltage = %0.2f Volts'%Vb\n",
    "\n",
    "Ve = Vb-Vbe#\n",
    "print 'The Emitter Voltage = %0.2f Volts'%Ve\n",
    "\n",
    "Ie = Ve/Re#\n",
    "Ic = Ie#        # Ic =~ Ie\n",
    "print 'The Collector current = %0.2f Amps'%Ic\n",
    "print 'i.e 5.53 mAmps'\n",
    "\n",
    "Vc = Vcc#       # Since the collector is tied directly to Vcc\n",
    "print 'The Collector Voltage = %0.2f Volts'%Vc\n",
    "\n",
    "Vce = Vcc-Ve#\n",
    "print 'The Collector-Emmiter Voltage = %0.2f Volts'%Vce\n",
    "\n",
    "Icsat = Vcc/Re#\n",
    "\n",
    "Vceoff = Vcc#\n",
    "\n",
    "# Now, calculate AC quantities:\n",
    "\n",
    "a = 25.*10**-3#\n",
    "\n",
    "re = a/Ie#\n",
    "print 'The AC emmiter resistance = %0.2f Ohms'%re\n",
    "print 'Approx 4.52 Ohms'\n",
    "\n",
    "b = Re*Rl#\n",
    "c = Re+Rl#\n",
    "rl = b/c#\n",
    "\n",
    "Av = rl/(rl+re)#\n",
    "print 'The Voltage gain =%0.2f'%Av\n",
    "\n",
    "Zinbase = B*(re+rl)#\n",
    "print 'The Input Base Impedence = %0.2f Ohms'%Zinbase\n",
    "print 'i.e 120.9 kOhms'\n",
    "\n",
    "d = 1./Zinbase#\n",
    "e = 1./R1#\n",
    "f = 1./R2#\n",
    "\n",
    "Zin = (d+e+f)**-1\n",
    "print 'The Input Impedence = %0.2f Ohms'%Zin\n",
    "print 'i.e 9.15 kOhms'\n",
    "\n",
    "vb = vin*(Zin/(Zin+Rg))#\n",
    "print 'The AC base voltage = %0.2f Volts(p-p)'%vb\n",
    "\n",
    "vout = Av*vb#\n",
    "print 'The AC output voltage = %0.2f Volts(p-p)'%vout\n",
    "\n",
    "Icq = Ic\n",
    "Vceq = Vce\n",
    "\n",
    "Vce1=[Vcc, Vceq, 0]\n",
    "Ic1=[0 ,Icq ,Icsat]\n",
    "\n",
    "#To plot DC load line\n",
    "\n",
    "print \"Q(%f,%f)\\n\"%(Vceq,Icq)\n",
    "plot(Vce1, Ic1)\n",
    "plot(Vceq,Icq)\n",
    "plot(0,Icq)\n",
    "plot(Vceq,0)\n",
    "plot(0,Icsat)\n",
    "plot(Vceoff,0)\n",
    "xlabel(\"Vce in Volt\")\n",
    "ylabel(\"Ic in mAmps\")\n",
    "title(\"DC Load-line for Emitter Follower Circuit\")\n",
    "show()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_9 Page No.  963"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Emmiter current = 0.0046 Amps\n",
      "i.e 4.61 mApms\n",
      "The Collector-Base Voltage = 8.08 Volts\n",
      "Approx 8.09 Volts\n",
      "The AC emmiter resistance = 5.42 Ohms\n",
      "The Voltage gain =138.33\n",
      "The AC output voltage = 3.46 Volts(p-p)\n",
      "Approx 3.46 Volts(p-p)\n",
      "The Input Impedence = 5.41 Ohms\n"
     ]
    }
   ],
   "source": [
    "# Calculate the following: Ie, Vcb, r'\u0005e, Av, vout and zin.\n",
    "\n",
    "# Given data\n",
    "\n",
    "Rc = 1.5*10**3#      # Collector resistance=1.5 kOhms\n",
    "Re = 1.8*10**3#      # Emitter resistance=1.8 kOhms\n",
    "Rl = 1.5*10**3#      # Load resistance=1.5 kOhms\n",
    "Vcc = 15.#           # +ve Supply Voltage=15 Volts\n",
    "Vee = 9.#            # -ve Supply Voltage=9 Volts\n",
    "Vbe = 0.7#          # Voltage Base-Emitter=0.7 Volts\n",
    "vin = 25.*10**-3#     # Input Voltage=25 mVolts(p-p)\n",
    "\n",
    "\n",
    "Ie = (Vee-Vbe)/Re#\n",
    "print 'The Emmiter current = %0.4f Amps'%Ie\n",
    "print 'i.e 4.61 mApms'\n",
    "\n",
    "Ic = Ie#        # Ic =~ Ie\n",
    "\n",
    "Vcb = Vcc-(Ic*Rc)#\n",
    "print 'The Collector-Base Voltage = %0.2f Volts'%Vcb\n",
    "print 'Approx 8.09 Volts'\n",
    "\n",
    "a = 25.*10**-3#\n",
    "\n",
    "re = a/Ie#\n",
    "print 'The AC emmiter resistance = %0.2f Ohms'%re\n",
    "\n",
    "b = Rc*Rl#\n",
    "c = Rc+Rl#\n",
    "\n",
    "rl = b/c#\n",
    "\n",
    "Av = rl/re#\n",
    "print 'The Voltage gain =%0.2f'%Av\n",
    "\n",
    "vout = Av*vin#\n",
    "print 'The AC output voltage = %0.2f Volts(p-p)'%vout\n",
    "print 'Approx 3.46 Volts(p-p)'\n",
    "\n",
    "d = Re*re\n",
    "e = Re+re\n",
    "\n",
    "Zin = d/e#\n",
    "print 'The Input Impedence = %0.2f Ohms'%Zin"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example No. 29_10 Page No.  968"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The AC output voltage = 1.45 Volts(p-p)\n"
     ]
    }
   ],
   "source": [
    "# Calculate the ac output voltage, vout.\n",
    "\n",
    "# Given data\n",
    "\n",
    "Rc = 1.2*10**3#      # Collector resistance=1.2 kOhms\n",
    "Re = 2.2*10**3#      # Emitter resistance=2.2 kOhms\n",
    "Rl = 3.3*10**3#      # Load resistance=3.3 kOhms\n",
    "Rg = 600.#           # Generator Resistance=600 Ohms\n",
    "Vcc = 12.#           # +ve Supply Voltage=15 Volts\n",
    "Vee = 12.#           # -ve Supply Voltage=9 Volts\n",
    "Vbe = 0.7#          # Voltage Base-Emitter=0.7 Volts\n",
    "vin = 1.#            # Input Voltage=1 Volts(p-p)\n",
    "\n",
    "Ie = (Vee-Vbe)/Re#\n",
    "\n",
    "a = 25*10**-3#\n",
    "re = a/Ie#\n",
    "\n",
    "b = Rc*Rl#\n",
    "c = Rc+Rl#\n",
    "rl = b/c#\n",
    "\n",
    "Av = rl/re#\n",
    "\n",
    "d = Re*re\n",
    "e = Re+re\n",
    "Zin = d/e#\n",
    "\n",
    "ve = vin*(Zin/(Zin+Rg))#\n",
    "\n",
    "vout = Av*ve#\n",
    "print 'The AC output voltage = %0.2f Volts(p-p)'%vout"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 2",
   "language": "python",
   "name": "python2"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
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